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INFLUENCE OF CHEMISTRY OF PLASTICIZERS ON CEMENT ECONOMY IN READY-MIX CONCRETE

CONCRETE

691.32

Vovk, A. I. Dr. Eng. Sc., Senior Researcher, Director of the Scientific and Technical Center of JSC Polyplast, Novomoskovsk, Russia

Alitinform No1 (50) 2018 г. 40-47 стр.

Abstract

This paper examines the effectiveness of various types of superplasticizers for reducing cement consumption in ready-mix concrete of given compressive strength classes. The absence of a strict correlation between w/c and concrete strength with admixtures was revealed. The observed phenomenon was considered from the standpoint of the chemistry of concrete microstructure formation in the presence of admixtures (changes in both pore liquid and cement hydrates composition).

Key words:

w/c law, superplasticizer type, concrete strength, cement economy

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